package com.xiamaliu.facade;

public class Facade {
    private SubsystemA a = new SubsystemA();
    private SubsystemB b = new SubsystemB();
    private SubsystemC c = new SubsystemC();

    public void doA() {
        this.a.doA();
    }

    public void doB() {
        this.b.doB();
    }

    public void doC() {
        this.c.doC();
    }
}
